Lime-distributer.



Nd. 772,941. I PATENTED 0'01. 25, 19.04.

-, J. H. & D. 'E. KEFAUVE-R.

LIME DISTRIBUTER.

APPLICATION FILED JUNE 27. 1904.

o MODEL, v r 5 SHEETS-SHEET 1.

Witnesses No. 772,941. PATENTED OCT. 25, 1904.

J. H. & D. E. KEFAUVER.

LIME DISTRIBUTER APPLICATION FILED JUNE 27, 1904.

1 0 Monng 5., SHEETS-$11231 2.

Suva" row Witnaoowo No. 772,941. PATENTED 0011 25, 1904. J. H. & 1). E.KEFAUVER.

LIME DISTRIBUTER.

APPLICATION FILED JUNE 27, 1904.

5 SHEETS-SHEET 4.

N0 MODEL.

luveuto'u/ Witnesses PATENTED 001*. 25, 1904. J. H. & D. E. .KEFAUVER.

LIMBDISTRIBUTER. APPLICATION I'ILED mm 27, 1904.

N0 MODEL.

numdou/ w w W a 6 A an mf UNITED STATES Patented October 25, 1904.

PATENT OFFICE.

I JOSEPH HOLLIN KEFAUVER AND DANIEL EDWARD KEFAUVER. OF

MIDDLETOWN, MARYLAND.

LIME-DISTRIBUTER.

SPECIFICATION forming part of Letters Patent N0. 772,941, dated October25, 1904.

Application filed June 27, 1904.

To all whom it may concern:

. on, which form a part of this specification.

Our invention relates to lime-distributers, and has for its object toprovide a device of this class which will effectually distribute lime,or the like in a simple and in an efficient manner.

A further object of our invention is to pro-1 vide a lime-distributer.in connection with a roller which will distribute lime, but which willprevent the same from being thrown in the air. Y

A further object ofour invention is to provide a lime-distributer whichwill effectually pulverize the lime before distributing the same.

With these objects in view our invention consists in the novel manner offeeding the lime from the hopper.

Our invention also consists in the novel means of feeding the lime fromthe hopper to the distributing device.

Our invention also consists in the novel distributing device.

Our invention also consists in the novel arrangement of the screw feedmechanism in connection with the blower.

Our invention also consists in the novel construction of the rollers andalso in other novel details and in combinations of parts, which will befirst full'ydescribed, and afterward specifically pointed out intheappended claims.

Referring to the accompanying drawings, Figure l is a perspective viewof' the lime-dis' tributer, the extreme rear portion of the hood beingremoved in order to illustrate the distributing device. Fig. 2 is a sideelevation Serial No. 214,347- (Remodel-l of the distributer, showing thegearing mechanism. Fig. 3 is a side elevation of one of the rollers,showing the ratchet-and-pawl mechanism in dotted lines." Fig. 4. is aplan 7 View, partly in section, of the distributer, showing a portion ofthe hopper broken away. Fig. 5 is a vertical transverse section taken online 5 5 of Fig. 4L. Fig. 6 is avertical longitudinal section. throughone of the rollers, taken on line 6 6 of Fig. 5; Fig. 7 is a detail viewof a portion of the hopper, showing the regulatingslide and lever foroperating the same. Fig. 8 is 'averticallongitudinal section through thehopper, showing the double-screw feed in detail and illustrating themeans for operating the agitator thereby. Fig. 9 is a similar viewshowing the agitator in a somewhat difli'erent position. Fig. 10 is asectional view showing the clutch mechanism between the roller and thedriving mechanism. Fig.

' 11 is a vertical section through the cone-shaped distributer; and Fig.12 is a top plan of a portion of the agitator, showing the same indetail.

Like numerals of reference indicate the same parts throughout theseveral figures, in

which- 1 indicates the distributer, which is composed of the hopper 2and two rollers 3 and" 4, said rollers being loosely journaled on theshaft 5 and are connected thereto by a ratchetand-pawl mechanism, asshown in dotted lines in Fig. 3, so that the machine when turning willnot bindor. slide, the ratchet-and-pawl arrangement providing for oneroller'revolving in one direction withoutdriving the shaft 5, while theother roller will revolve in the opposite direction and drive the shaft5, this expedient, of course, being well known in similar devices.

6 indicates a cover for the hopper 2, and shown in Fig. 5 said cover isthrownback, the top of the hopper being 'so inclined that a screen 7 canbe fitted over the mouth of the hoppcr,whereby the lime may be shoveleddirectly on said screen and the lime properly screened,

the large lumps passing off of the screen and over the cover 6.

Thehopper 2 is preferably shaped as shown in Fig. 5 and is provided witha substantially semicircular portion 8 at the bottom, an opening9 beingformed in the center of said portion 8, through which the lime isadapted to pass from the hopper 2 into the chamber 10. Said chamber 10iTFlOCtLtBCi at right angles to the semicircular portion 8, and aregulatingslide 11 is adapted to be moved across said opening 9 to coverthe same either wholly or partially in order to regulate the amount oflime passing from the hopper 2. A suitable regulating-lever 12,fulcrumed to the hopper at 13, is provided, as shown in Fig. 7 and alsoin Fig. 1, so that the quantity of lime passing into the distributer canbe accurately regulated.

Located within the semicircular chamber 8 at the bottomof the hopper 2is a double-screw feed 14, as shown in Fig. 4 and in detail in Figs. 8and 9, said screw being so arranged that when it is revolved the lime inthe hopper will be fed from both sides thereof to and into the centralopening 9 in the semicircular chamber. 8. The distributing-cham ber 10is, as aforesaid, located at right angles to the semicircular chamber 8,and a screw feed 15 is located therein, having a shaft 16, which isjournaled at 17 and also at 18 in the rear of the hood 19. The hood 19is, as shown in Fig. 1, arranged so as to cover the distributingmechanism, and the sides of said hood extend down to within a few inchesof the ground, so that when the lime is distributed it is not possiblethat the wind will take the same and scatter it broadcast. A suitablerear wall of canvas or other material effectually covers and forms therear wall of the hood, said cover of canvas not being shown in Fig. 1.It is, however, secured in any suitable manner to the top and sides ofthe hood.

Referring now to Figs. 1 and 2, it will be seen that the driving-shaft 5carries a large gear-wheel 20 and a small sprocket-wheel 21, saidgear-wheel 2O meshing with a pinion 22, which pinion is connected toagear-wheel 23, which drives a small pinion 2 1, carried on a shaft 25.Referring to Fig. 4, it will be seen that a small bevel-gear 26 iscarried on said shaft 25, which meshes with a small bevelgear 27 on thescrew feed-shaft 16 in order to revolve said shaft and screw. A smallpulley 28 is also secured to the end of the shaft 25, which pulley isbelted to a small pulley 29 to operate the blower 30, and, as shown inFig. 4 and also in Fig. 5, the blast from said blower is led into thescrew feed-chamber 10 for a purpose which will be hereinafter fullydescribed.

Secured to the screw feed-shaft 16 is a cone- -shaped distributer 30,which is provided with a series of oblique ribs 31, as shown in Fig. 11,and secured also on said shaft 16 in rear of said distributer is a cone32, which is lo cated and arranged as shown for a purpose which will bepresently described.

Referring to Figs. 4., 8, and 9, it will be seen that the double-screwfeed 14 in the semicirlar chamber 8 at the bottom of the hopper isjournaled at each end of the said chamber 8, the shaft 3301 said screwcarrying the small sprocket-wheel 3i, over which a chain passes, saidchai n also passing over the sprocket 21, which is carried on thedriving-shaft 5. It will also be seen that the extreme ends of the screw14 are provided with a break 35 at one end and a similar break 36 at theother. The agitator 37, which is located directly above the said doublescrew and guided between two vertical walls 38, located at both ends ofthehopper, is provided with two downwardlyprojecting pins 39 and 40, asshown in Figs. 8 and 9, which pins are engaged by thedouhle screw 14, asclearly shown, and as said screw revolves the screw engages the saidpins 38 and 39 and reciprocates the same, so that as said screw revolvesin the lime in the hopper the agitator is reciprocated within the lime,and it will be seen by referring to Figs. 4 and 12 that the saidagitator is provided with a series of projections 41 thereon, the flatfaces thereof engaging the lime and working the same toward the centerof the distrilmter and toward the central opening therein. Secured tosaid distributer, as shown in Fig. 5, are two downwardly-projectingprongs i2, which extend on either side of the double-screw feed justabove the central opening in the semicircular chamber 8, the purpose ofthese prongs being to prevent the lime from clogging within the openingand to insure a uniform passage of the lime from the hopper into thescrewfeed distributing-chamber 10.

A suit-able clutch arrangement 50, operated by a lever 51, is carried onthe driving-shaft 5, so that the distributing mechanism can bedisconnected from the driving-shaft and rollers whenever desired.

Having thus set forth the several parts of our invention, its operationis as follows: The screen 7 is placed in the mouth of the hopper, asshown in Fig. 5, and the lime is thrown upon said screen, the largelumps passing down and over the cover (5. \Vhen the hopper is filled andthe machine is in operation, the rollers revolve the shaft 5, and bymeans of the gearing before described the fan or blower 30 is put inoperation. The wormscrew feed 10 is revolved, and the double wornrscrew14: is put in motion within the hopper. By reason of the double screw1-1 the lime is fed from both sides of the hopper toward the center, andas the ends of the said double screw engage alternately the pins 39,

Fig. 8, of the agitator 37 the lime in proximity to the double screw 14:is agitated and is also carried toward the center by said agitator onaccount of the shoulders TI on the agitor. The lime is thus carried tothe central opening in the hopper and into the cylinder 10, where it iscarried by the worm-screw 15, the blast from the fan or blower enteringthe said cylinder 10. All fine particles of the lime is blown out of thesaid cylinder, passing through the distributer 30 and striking againstthe revolving cone 32 and then thrown in every direction Within the hood19. The larger lumps of lime are fed by the screw 15 in the distributer30 and are thrown by said distributer in every direction within the hood19, the oblique ribs 31 in said distributer 30 assisting to force thelime from the distributer as said distributer rapidly revolves.

It will be noted by referring to Fig. 5 that the rear journal of thescrew-shaft 16 is protected from the lime by the cone 32.

In order to disengage the distributing mechanism from'therollers,thelever 51 is operated, which throws the clutch member 52 outof engagement with the gear-wheel 20, so that the machine can then beused as arolle-r without distributing the lime or operating thedistributing mechanism.

Having thus described the operation of our invention, we do not wish tobe understood as limiting ourselves to the exact construction as hereinset forth, as various slight changes may be made therein which wouldfall within the limit and scope of our invention, and we considerourselves clearly entitled-to all such changes and modifications.

What we claim as our invention, and desire to secure by Letters Patentof the United with a hopper, of a screw feed within said hopper, adistributing-screw below said hopper and a cone-shaped distributercarried by said distributing-screw, substantially as described.

3f1n alime-distributer, the combination of .in presence of twowitnesses.

a hopper, a screw feed below said hopper, a

cone-shaped distributer carried by said screw,

feed, and a cone carried by said screw feed against which the lime isforced, substantially as described.

4. Ina lime-distributer, the combination tributer adapted to be engagedby said screw feed and operated thereby, and means for distributing thelime passing from said hopper, substantially as described.

6. In a lime-distributer, the combination of a hopper, a suitable screwfeed within said hopper, .an agitator adapted to be engaged and operatedby said screw feed and means for distributing the lime passing over thesaid hopper, substantially as described.

7 In a lime-distributer, the combination of a hopper, a screw feedwithin said hopper, a distributer within said hopper and means on saiddistributer for assisting the said screw feed to feed the lime, andmeans for distributing the lime passing over said hopper, substantiallyas described.

8. In a lime-distributer, the combinatio of a hopper, a screw feedtherein, an agitatorwithin said hopper, a distributing screw feed belowsaid hopper to distribute the lime, substantially as described.

In Witness whereof we aflix our signatures JOSEPH HOLLIN KEFAUVER.DANIEL EDWARD KEFAUVER.

Witnesses:

L. T. RoUTzAHN, JOHN L. RoUTzAHN.

